Inventor
Ikuo Ohnishi
Inventor
Kurashiki, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus43%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein29%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them14%
H04NPictorial communication, e.g. television14%
PatentTitleYear
6,067,137'Image display apparatus with hydrophobic diffraction grating for an enlarged viewing angle'20006,002,464'Light diffusing sheet having a layer incorporated with light diffusing material and a layer with a corrugated surface'19995,754,342'Video device utilizing a two-dimensional diffraction grating'19985,467,224'Optical low pass filter and imaging device using the same'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2000Patents assigned to KURARAY CO (4)· patent assignee history
1995–2000Based in Kurashiki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KURARAY CO | 4 | 1995–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kurashiki, JP | 4 | 1995–2000 |